ac not colling enough

2003 Pontiac Montana. put new compressor and some e valve. cools but barley. I can put on high the fan works just not cold. does not work in the day time only sometimes at night. depends how cool it is at night. mechanic said the fans on radiator weren't working but they do turn on and blow. any ideas?

It's under the dash near the blower motor behind the glove box. It
opens and closes as needed to let in warm air from the heater core,
fresh air from outside or close completely for A/C. If the blend door
motor fails, the door brakes or something gets in the way (like wires if it
was worked on) it won't close all the way.

when trying to use rear window washer water drips from edge of ceiling near windshield top edge! Can not find a rear washer water pump or container. Can find no info on line routing in any manuals. Sh...